/*
 * Copyright (c) 2024 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { ArkFile, AstTreeUtils, ts } from 'arkanalyzer';
import { AstMatcherCallback } from '../Matchers';
import Logger, { LOG_MODULE_TYPE } from 'arkanalyzer/lib/utils/logger';

const logger = Logger.getLogger(LOG_MODULE_TYPE.HOMECHECK, 'matchAst');

export function matchAst(arkFiles: ArkFile[], matchers: AstMatcherCallback[]): void {
    for (let arkFile of arkFiles) {
        iterateAst(arkFile, matchers);
    }
}

function iterateAst(arkFile: ArkFile, matchers: AstMatcherCallback[]): void {
    const root = AstTreeUtils.getSourceFileFromArkFile(arkFile);
    matchAstNode(root, matchers, arkFile);
}

function matchAstNode(node: ts.Node, matchers: AstMatcherCallback[], arkFile: ArkFile): void {
    for (const item of matchers) {
        try {
            if (item.matcher.match(node)) {
                item.callback(node, arkFile);
            }
        } catch (error) {
            logger.error(`Error in ast callback ${error}`);
        }
    }
    node.forEachChild((child) => {
        matchAstNode(child, matchers, arkFile);
    });
}